SN761678B_14 Datasheet, PDF (2/21 Pages) Texas Instruments – TV TUNER IC

SN761678B
TV TUNER IC
SLES185 – JUNE 2006
FUNCTIONAL BLOCK DIAGRAM
www.ti.com
VHF-L
Oscillator
VHF-H
Oscillator
UHF
Oscillator
VHF RF IN
VHF
Mixer
UHF
Mixer
IF
Amplifier
IF OUT
IF GND
UHF RF IN
RF GND
XTAL
SCL
SDA
AS
1/8
Prescaler
1/32, 1/33
Prescaler
XTAL
Oscillator
4 MHz
512/640/1024
Divider
2
I C Bus
Interface
15-Bit
Counter
Phase
Detector
Charge
Pump
NPN Band-Switch Port
Operational
Amplifier
CP
VTU
5-Level
ADC
B0089-02
2
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